[54]Ernst Antevs, “Geological Age of the Lehner Mammoth Site,” American Antiquity, 25:31 (1959).
[55]William Duncan Strong, “An Introduction to Nebraska Archaeology,” Smithsonian Miscellaneous Collections, vol. 93, no. 10 (1935). E. W. C. and W. H. Campbell, The Pinto Basin Site (Southwest Museum Papers, no. 9, 1935), 33-34.
[56]Carl Sauer, personal communication, 1946.
[57]M. R. Harrington, “The Age of Borax Lake” and “Farewell to Borax Lake,” Masterkey, 8:208-209 (1939) and 19:181-184 (1945), and An Ancient Site at Borax Lake, California (Southwest Museum Papers, no. 16, 1948).
[58]M. R. Harrington, personal communication, 1948.
[59]E. H. Sellards, “Stone Images from Henderson County, Texas,” American Antiquity, 7:20-38 (1941).
[60]Mariano Barcena, “Descripción de un hueso labrado, de llama fosil,” Anales del Museo Nacional de México, 2:439-444 (1882).
[61]“Discovery That Man Existed in the Western Hemisphere Some 30,000 Years Ago Made by Noted Mexican Anthropologist,” news release from Visión, July 22, 1960.
[62]Etienne B. Renaud, The Black’s Fork Culture of Southwest Wyoming and Further Research Work in the Black’s Fork Basin, Southwest Wyoming (University of Denver, Dept. of Anthropology, Archaeological Survey Series, Reports 10 and 12, 1938, 1940).
[63]Thomas Wilson, “The Paleolithic Period in the District of Columbia,” Proceedings, U.S. National Museum, for 1889, 12:371-376, and “A Study of Prehistoric Anthropology” and “Results of an Inquiry As to the Existence of Man in North America During the Paleolithic Period of the Stone Age,” Report, U.S. National Museum, for 1887-1888, 629-636, 677-702. Nels C. Nelson, “The Antiquity of Man in America in the Light of Archaeology,” in The American Aborigines (1933), 93-94.